1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * NUMA support for s390 4 * 5 * Declare the NUMA core code structures and functions. 6 * 7 * Copyright IBM Corp. 2015 8 */ 9 10 #ifndef _ASM_S390_NUMA_H 11 #define _ASM_S390_NUMA_H 12 13 #ifdef CONFIG_NUMA 14 15 #include <linux/numa.h> 16 #include <linux/cpumask.h> 17 18 void numa_setup(void); 19 int numa_pfn_to_nid(unsigned long pfn); 20 void numa_update_cpu_topology(void); 21 22 extern cpumask_t node_to_cpumask_map[MAX_NUMNODES]; 23 extern int numa_debug_enabled; 24 25 #else 26 numa_setup(void)27static inline void numa_setup(void) { } numa_update_cpu_topology(void)28static inline void numa_update_cpu_topology(void) { } numa_pfn_to_nid(unsigned long pfn)29static inline int numa_pfn_to_nid(unsigned long pfn) 30 { 31 return 0; 32 } 33 34 #endif /* CONFIG_NUMA */ 35 #endif /* _ASM_S390_NUMA_H */ 36